Enabling Multi-segmented-gamma for ICL[1] regresses igt@kms_color@pipe-[abc]-ctm-0-(25|75) due to unexpected rounding. The problem needs to be addressed on the IGT side (comparing to different acceptable rounding values) and/or by re-implementing the test on top of pipe writeback. In the mean time, let's have this bug to document the effort. [1] https://patchwork.freedesktop.org/series/60126/ https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb2/igt@kms_color@pipe-b-ctm-0-25.html Starting subtest: pipe-B-ctm-0-25 (kms_color:1190) CRITICAL: Test assertion failure function run_tests_for_pipe, file ../tests/kms_color.c:985: (kms_color:1190) CRITICAL: Failed assertion: success
Assigning Uma, since he is the author of multi-segmented gamma, and it is his responsibility to make sure that we do not regress our test coverage.
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * ICL: igt@kms_color@pipe-[abc]-ctm-0-(25|75) - fail - Failed assertion: success - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb1/igt@kms_color@pipe-a-ctm-0-75.html - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb4/igt@kms_color@pipe-c-ctm-0-25.html - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb5/igt@kms_color@pipe-c-ctm-0-75.html - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb5/igt@kms_color@pipe-a-ctm-0-25.html - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb7/igt@kms_color@pipe-b-ctm-0-75.html - https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4401/shard-iclb7/igt@kms_color@pipe-b-ctm-0-25.html - https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb1/igt@kms_color@pipe-c-ctm-0-25.html - https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb2/igt@kms_color@pipe-b-ctm-0-25.html - https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb3/igt@kms_color@pipe-c-ctm-0-75.html - https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb4/igt@kms_color@pipe-a-ctm-0-75.html - https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_13248/shard-iclb7/igt@kms_color@pipe-b-ctm-0-75.html
This issue is hit every few hours. User impact: test coverage issue, we're not able to check that Color Transformation matrices work properly.
A CI Bug Log filter associated to this bug has been updated: {- ICL: igt@kms_color@pipe-[abc]-ctm-0-(25|75) - fail - Failed assertion: success -} {+ ICL TGL: igt@kms_color@pipe-[abc]-ctm-0-(25|75) - fail - Failed assertion: success +} New failures caught by the filter: * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_365/fi-tgl-u/igt@kms_color@pipe-c-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_362/fi-tgl-u/igt@kms_color@pipe-a-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_365/fi-tgl-u/igt@kms_color@pipe-c-ctm-0-75.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_365/fi-tgl-u/igt@kms_color@pipe-a-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_363/fi-tgl-u/igt@kms_color@pipe-c-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_363/fi-tgl-u/igt@kms_color@pipe-b-ctm-0-75.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_363/fi-tgl-u/igt@kms_color@pipe-c-ctm-0-75.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_363/fi-tgl-u/igt@kms_color@pipe-a-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_364/fi-tgl-u/igt@kms_color@pipe-c-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_364/fi-tgl-u/igt@kms_color@pipe-b-ctm-0-75.html
A CI Bug Log filter associated to this bug has been updated: {- ICL TGL: igt@kms_color@pipe-[abc]-ctm-0-(25|75) - fail - Failed assertion: success -} {+ ICL TGL: igt@kms_color@pipe-[abcd]-ctm-0-(25|75) - fail - Failed assertion: success +} New failures caught by the filter: * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7103/shard-tglb3/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7104/shard-tglb4/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7106/shard-tglb1/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7108/shard-tglb5/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7110/shard-tglb1/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7111/shard-tglb6/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7113/shard-tglb7/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7115/shard-tglb6/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7116/shard-tglb7/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7118/shard-tglb6/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5232/shard-tglb1/igt@kms_color@pipe-d-ctm-0-75.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7121/shard-tglb1/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7121/shard-tglb2/igt@kms_color@pipe-d-ctm-0-75.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7124/shard-tglb5/igt@kms_color@pipe-d-ctm-0-25.html * https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7124/shard-tglb6/igt@kms_color@pipe-d-ctm-0-75.html
(In reply to CI Bug Log from comment #5) > A CI Bug Log filter associated to this bug has been updated: > > {- ICL TGL: igt@kms_color@pipe-[abc]-ctm-0-(25|75) - fail - Failed > assertion: success -} > {+ ICL TGL: igt@kms_color@pipe-[abcd]-ctm-0-(25|75) - fail - Failed > assertion: success +} > > New failures caught by the filter: > > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7103/shard-tglb3/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7104/shard-tglb4/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7106/shard-tglb1/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7108/shard-tglb5/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7110/shard-tglb1/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7111/shard-tglb6/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7113/shard-tglb7/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7115/shard-tglb6/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7116/shard-tglb7/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7118/shard-tglb6/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5232/shard-tglb1/ > igt@kms_color@pipe-d-ctm-0-75.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7121/shard-tglb1/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7121/shard-tglb2/ > igt@kms_color@pipe-d-ctm-0-75.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7124/shard-tglb5/ > igt@kms_color@pipe-d-ctm-0-25.html > * > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7124/shard-tglb6/ > igt@kms_color@pipe-d-ctm-0-75.html @Uma, Keeping TGL in view, do you think the severity of this issue remains same?
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